Browse the evidence

Essential fatty acids (EFAs) and their long-chain metabolites (EPA, DHA, GLA, DGLA, AA) function as endogenous inhibitors of HMG-CoA reductase and ACE, providing cardioprotective, anti-hypertensive, and anti-atherosclerotic benefits comparable to a pharmaceutical 'polypill'.

To support heart health and blood pressure naturally, ensure your diet includes adequate sources of essential fatty acids. This means balancing omega-3s (from fish, flax, walnuts) and omega-6s (from plant oils like sunflower or safflower, and some animal sources). The paper suggests that maintaining adequate levels of these fats, rather than relying solely on synthetic drugs, may help regulate cholesterol and blood pressure through your body's own enzymatic processes. Focus on whole food sources and consider the ratio of omega-3 to omega-6, aiming for a balance closer to 1:1 or 2:3 rather than the modern industrial ratio of 10:1 or higher.

High dietary glycemic load and fructose intake are associated with a significantly increased risk of pancreatic cancer, but only in women who are overweight (BMI ≥25 kg/m2) and sedentary.

If you are overweight and sedentary, reducing your glycemic load (high glycemic index foods multiplied by carb content) and fructose intake may significantly lower your pancreatic cancer risk. This risk is not observed in lean or physically active women, suggesting that improving insulin sensitivity through weight management and exercise is a critical factor in mitigating dietary risks.

Whey protein hydrolysate (WPH) may offer superior recovery of muscle function (torque) compared to intact whey protein isolate (WPI) or placebo after eccentric exercise.

If you perform intense eccentric workouts (like heavy lifting with long lowering phases) and feel your strength drop significantly for a day or two, try whey protein hydrolysate (WPH) immediately after. It may help you regain your strength (torque) faster (within 6 hours) compared to standard whey isolate.

Structured exercise training (SET) improves ovulation frequency and menstrual regularity in obese PCOS patients with anovulatory infertility more effectively than a hypocaloric hyperproteic diet, although both interventions improve cumulative pregnancy rates compared to baseline.

For obese women with PCOS struggling with infertility, a structured exercise program (3x/week, 30 mins, moderate intensity) is a viable alternative to strict dieting. While both exercise and diet improve fertility markers, exercise may be better for restoring regular ovulation cycles and might be easier to adhere to long-term than severe caloric restriction.

Aerobic training significantly increases HDL cholesterol in middle-aged, android-obese men, whereas resistance training does not.

To improve your HDL cholesterol, engage in aerobic exercise (like skiing or brisk walking) for 40 minutes, 3 times a week, keeping your heart rate between 60-85% of your max. Resistance training alone will not significantly raise HDL.

Both aerobic and resistance training significantly reduce microalbuminuria in middle-aged, android-obese men, suggesting cardiovascular and renal protection.

Engaging in either aerobic or resistance training for 10 weeks can significantly reduce microalbuminuria, a marker of kidney stress and cardiovascular risk, in overweight middle-aged men.

High-intensity interval training (HIIT) induces skeletal muscle molecular adaptations, including increased GLUT-4 content and mitochondrial biogenesis, which improve glucose disposal and insulin sensitivity in patients with metabolic diseases.

If you have metabolic issues like type 2 diabetes, high-intensity interval training (HIIT) can significantly improve how your muscles handle glucose. This involves short bursts of vigorous activity followed by rest, which increases GLUT-4 proteins and mitochondrial function. Consult your doctor to ensure it is safe for you, then consider protocols that challenge your peak heart rate (80-95% HRmax) for intervals of 1-4 minutes.

A single session of HIIT reduces same-day postprandial glucose excursions in individuals with impaired fasting glucose or type 2 diabetes, offering acute metabolic benefits.

Doing one session of HIIT can help lower your blood sugar spikes after meals, even if you have type 2 diabetes or impaired fasting glucose. This acute benefit occurs on the same day as the exercise, suggesting that regular HIIT sessions can help manage daily glucose fluctuations.

HIIT improves cardiovascular function in patients with metabolic diseases by increasing end-diastolic volume, stroke volume, and flow-mediated dilation, and reducing arterial stiffness.

HIIT not only helps your muscles handle sugar but also strengthens your heart and blood vessels. It increases the volume of blood your heart pumps (stroke volume) and improves the flexibility of your arteries (flow-mediated dilation), which are key markers of cardiovascular health.

Long-term resistance training reduces basal levels of C-reactive protein (CRP) in overweight, obese, and older populations, thereby mitigating low-grade systemic inflammation associated with insulin resistance and cardiovascular risk.

If you are overweight, older, or at risk for diabetes, commit to long-term resistance training (at least several months). You do not need to worry about the immediate inflammatory spike after a workout; the long-term benefit is a measurable reduction in systemic inflammation (CRP) and improved insulin sensitivity, which protects against cardiovascular disease and Type 2 Diabetes.

Exercise induces the production of myokines like irisin and meteorin-like (Metrnl) which promote the browning of white adipose tissue and increase energy expenditure.

Regular exercise may help your body burn more calories by triggering the release of proteins from your muscles that encourage your fat cells to burn energy. Even if the exact mechanisms are still being studied, exercise remains a key strategy for metabolic health.

Excessively frequent (6+ times/week) and intense physical activity is a risk factor for insomnia and difficulty initiating sleep in some populations.

If you exercise 6+ times a week at high intensity, monitor your sleep. If you experience trouble falling asleep, consider reducing frequency or intensity. Leisure-time walking does not show this negative association.

Activation of Free Fatty Acid Receptors (FFAR2/FFAR3) by SCFAs increases satiety hormones (GLP-1, PYY) and insulin sensitivity, which may counteract the obesogenic effects of SCFA energy extraction.

Eating fiber-rich foods helps your gut bacteria produce SCFAs, which activate receptors that signal your brain to feel full and improve insulin sensitivity. This hormonal effect may help prevent obesity, even if the fiber itself provides some energy.

In insulin-resistant subjects, a monounsaturated fatty acid (MUFA)-rich diet significantly improves postprandial glucose and insulin responses compared to a carbohydrate-rich diet, while increasing GLP-1 secretion.

If you are insulin-resistant, choosing a diet rich in monounsaturated fats (like olive oil) over a high-carbohydrate diet can significantly improve your blood sugar and insulin response after meals. This benefit occurs even if you maintain your current weight, suggesting that the quality of fat is more important than the quantity for metabolic health in this population.

Dietary supplementation with inulin-type fructans (prebiotics) reduces body weight gain and fat mass development in obese subjects by modulating gut peptides (increasing GLP-1, PYY, and decreasing ghrelin) and improving gut barrier integrity.

To manage weight and fat mass, incorporate inulin-type fructans (found in foods like chicory root, garlic, onions, or as supplements) into your daily diet. Studies suggest doses between 8g and 21g per day can help reduce body weight gain and fat mass in obese individuals and maintain BMI in adolescents. This works by increasing satiety hormones (GLP-1, PYY) and reducing hunger hormones (ghrelin), while also improving gut health.

Supplementation with 500 mg/day of water-soluble cinnamon extract (Cinnulin PF) for 12 weeks significantly reduces fasting blood glucose and systolic blood pressure in pre-diabetic adults with metabolic syndrome.

If you are pre-diabetic and have metabolic syndrome features, a standardized water-soluble cinnamon extract (Cinnulin PF) taken at 500mg daily for 12 weeks may help lower your fasting blood sugar and systolic blood pressure. This effect was not seen in blood lipids. Ensure the product is standardized, as regular cinnamon powder varies in potency.

High intake of sugar-sweetened beverages, particularly those containing high fructose corn syrup, increases the risk of developing type 2 diabetes mellitus (T2DM) and obesity by raising blood glucose levels and BMI.

Avoid sugar-sweetened beverages, including those with high fructose corn syrup, as they directly raise blood glucose and BMI, increasing T2DM risk. Be aware that diet soft drinks may also negatively impact insulin resistance due to glycated chemicals, so water or unsweetened alternatives are safer choices for metabolic health.

Consumption of high-temperature cooked foods (grilled, fried, baked) significantly increases systemic Advanced Glycation End Products (AGEs), which promotes oxidative stress, inflammation, and endocrine disruption, particularly in women with PCOS.

Prioritize cooking methods like steaming, boiling, or stewing over grilling, frying, or baking. These high-temperature techniques create Advanced Glycation End Products (AGEs) that can disrupt hormones and increase inflammation. If you do cook with dry heat, marinate meats in acidic solutions (vinegar/lemon) which can reduce AGE formation, and avoid charring.

Vitamin D3 supplementation can attenuate the negative effects of AGEs in women with PCOS by down-regulating the AGE-RAGE interaction and supporting steroidogenesis.

If you have PCOS, check your Vitamin D levels. Supplementation can help reduce the inflammatory impact of AGEs and support healthy hormone production. This is particularly important if you are deficient.

Omega-3 polyunsaturated fatty acids (PUFA) counteract insulin resistance by modulating mitochondrial bioenergetics and reducing endoplasmic reticulum (ER) stress.

Omega-3s may help improve cellular metabolism and reduce stress in tissues like the liver and muscle, potentially supporting insulin sensitivity. However, human studies are inconsistent, so they should be viewed as a supportive part of a broader metabolic health strategy, not a standalone cure for insulin resistance.

Transplantation of Faecalibacterium prausnitzii prevents diabetes by restoring gut microbiota balance, reducing inflammation, and improving insulin sensitivity.

Focus on dietary strategies that promote the growth of Faecalibacterium prausnitzii, such as consuming high-fiber foods (resistant starch, inulin, polyphenols). While direct transplantation is a medical intervention, dietary changes are the primary accessible method to support this beneficial bacteria and improve metabolic health.

Testosterone replacement therapy may have beneficial effects on cardiovascular health in men with coronary artery disease or chronic heart failure, improving exercise tolerance and vascular reactivity.

If you have heart disease, TRT might actually help your heart function and exercise capacity. It does not appear to increase heart risk and may improve blood flow. Discuss this with your cardiologist.

Zinc supplementation appears to enhance thyroid hormone levels, particularly T3, and may help treat subclinical hypothyroidism associated with zinc deficiency.

If you have hypothyroidism or fatigue, check your zinc levels. Correcting a zinc deficiency may improve thyroid hormone levels, particularly T3.

Six weeks of supervised jump rope exercise training significantly improves insulin sensitivity and increases plasma adiponectin levels in obese Korean male adolescents.

If you are an obese adolescent, engaging in 40 minutes of jump rope exercise five days a week for six weeks can significantly improve your body's sensitivity to insulin and boost your levels of adiponectin, a hormone that helps protect against diabetes. This improvement happens even if other inflammatory markers don't change immediately. Start with lower intensity and gradually increase your jumping speed and duration as your fitness improves.